OFFSET
1,9
COMMENTS
See also scatterplot of this sequence.
LINKS
Altug Alkan, Table of n, a(n) for n = 1..10000
MATHEMATICA
Differences@ Table[Total[FromDigits /@ Permutations@ IntegerDigits@ n], {n, 81}] (* Michael De Vlieger, Feb 07 2017, after T. D. Noe at A045876 *)
PROG
CROSSREFS
KEYWORD
base,easy,sign
AUTHOR
Altug Alkan, Feb 06 2017
STATUS
approved